CN101927580A - Powder forming machine - Google Patents
Powder forming machine Download PDFInfo
- Publication number
- CN101927580A CN101927580A CN2009100333403A CN200910033340A CN101927580A CN 101927580 A CN101927580 A CN 101927580A CN 2009100333403 A CN2009100333403 A CN 2009100333403A CN 200910033340 A CN200910033340 A CN 200910033340A CN 101927580 A CN101927580 A CN 101927580A
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- China
- Prior art keywords
- filling
- piston
- lever
- pressure block
- powder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000843 powder Substances 0.000 title claims abstract description 42
- 230000007704 transition Effects 0.000 claims description 30
- 210000004907 gland Anatomy 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 13
- 210000003464 cuspid Anatomy 0.000 claims description 11
- 210000003746 feather Anatomy 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract 2
- 238000003723 Smelting Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 239000004489 contact powder Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009702 powder compression Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Basic Packing Technique (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to a powder forming machine, relating to a less filling mechanism of a powder smelting forming machine. A gap is added after powder filling so that the upper die and the power material are contacted with each other in the die cave so as to avoid the overflow of the powder material. The machine comprises a power source, a main axle, an eccentric wheel installed at one end of the main axle, an upper die device, an intermediate die device, a mandrel, a lower sliding column connected with the intermediate die device, an elastic supporting device, a demolding device and a lever, and further comprises a less filling device; the other side of the lever is extended for corresponding to the less filling device; the less filling device comprises a pressure block and a pressure block driving device capable of moving up and down; the pressure block is installed at the upper part of the extending segment at the other side; the pressure block driving device can drive the pressure block to produce an acting force for maintaining the filling cavity between the upper die and the lower die with stable volume in the powder filling period on the extending segment of the lever; the pressure block moves again after powder filling so as to drive the extending segment, drive the lever to rotate, and drive the lower sliding column and the intermediate die device to move so that the volume of the filling cavity is increased by 3-100%.
Description
Technical field
The present invention relates to Powder metallurgic forming machines, relate in particular to few filling body of Powder metallurgic forming machines.
Background technology
Along with the appearance of powder metallurgy forming technology, the processing of some complex structure parts has been produced great change.Greatly reduce cost, the cycle of processing and manufacturing, improved the efficient of processing.Powder metallurgy forming technology is realized by Powder metallurgic forming machines, shown in Fig. 3,4, its process principle is: at first, and with middle mould 33 and plug 32 up H strokes, form the filling chamber 35 that height is H at both and 31 of counterdies, then in this filling chamber 35, insert powder; Then, patrix 34 is descending, with the powder compression moulding in the filling chamber 35.According to designing requirement, the overall size of forming parts and powder amount have confidential relation, if powder measures existing error, can cause the precision of manufactured goods (such as the powder metallurgical gear of automobile etc.) not meet designing requirement.We are as can be seen from Fig. 4, when patrix 34 is descending, following transverse plane at first contact with middle die orifice along contour powder, may make the powder in the filling chamber 35 that is placed on nominal volume excessive, thereby cause the powder amount to reduce, and then make manufactured goods not meet designing requirement.Someone proposes to increase the nominal volume of filling chamber 35, increases the powder injected volume and solves this problem.But the excessive amount of powder is to be difficult to control, and the operating rate of excessive amount and patrix, the diameter of filling the chamber, die clearance etc. are in close relations, in addition, adopt this solution can cause the wearing and tearing of mould.
Summary of the invention
The present invention is directed to above problem, providing a kind of increases a space again after filling out powder under the specified abundant volume, make patrix contact in die cavity with powder, thereby avoids the excessive powder former of powder.
Technical scheme of the present invention is: comprise power source, main shaft, be located at the eccentric wheel, upper mould device, middle die device of main shaft one end, die device, plug, the following traveller, resilient supporting unit, stripper apparatus and the lever that link to each other with middle die device down; Described resilient supporting unit links to each other with following traveller, makes that traveller has mould operation in the driving down, down, form filling chamber between the middle mould; Described lever is located on the fuselage by jointed shaft is flat, and lever is provided with four forks; Lever middle part two forks are movably connected with following traveller, move up and down in order to drive down traveller; Described lever links to each other with eccentric wheel by pressure rod towards the fork of spindle eccentric wheel one side, in order to accept the power that effective travel is transmitted on the eccentric wheel; The opposite side fork of described lever connects stripper apparatus; It also comprises few filling device; The opposite side fork that described lever connects stripper apparatus prolongs, in order to corresponding with described few filling device; Described few filling device comprises the pressure block and the pressure block drive unit that can move up and down, described pressure block is arranged on the top of described opposite side fork extension, described pressure block driving mechanism can order about pressure block produce on the lever extension keep down, filling chamber between the middle mould filling powder during the active force of constancy of volume, after filling powder, the driving pressure piece motion again of described pressure block driving mechanism, traveller, the motion of middle die device made filling chamber volume increase 3-100% under pressure block and then driving fork extension, drive lever rotated, drive.
Described few filling device comprise make the filling chamber volume charging quantity governor motion consistent with designing requirement with make the increase of filling chamber volume become crack mechanism; Described charging quantity governor motion comprises main motor, drive gear mechanism, power transmission shaft, screw rod, feather key, gear wheel gland, transition gear gland, transition gear, transition gear case, gear wheel, canine tooth roller box, filling cylinder gland, filling cylinder, piston and filling cylinder bearing; Main motor is fixed on the fuselage, and power transmission shaft is movably connected on the fuselage perpendicular to horizontal plane, and main motor links to each other by drive gear mechanism with power transmission shaft; Power transmission shaft top is fixedly connected with transition gear, and the transition gear case that transition gear gland, a side are provided with opening is located at outside the transition gear, and is fixedly connected on the fuselage; Gear wheel is by being threaded in the screw rod middle part, and by the opening and the transition gear engagement of transition gear case, when gear wheel rotated, screw rod moved up and down; Gear wheel gland, canine tooth roller box are located at outside the gear wheel; The filling cylinder is located at the gear wheel upper box part, is provided with piston in the filling cylinder, and the piston upper and lower end stretches out filling cylinder gland respectively, fixedlys connected with screw rod in the piston lower end; The filling cylinder is fixedlyed connected with fuselage by filling cylinder bearing; Described canine tooth roller box is fixedlyed connected with the piston lower end; Described one-tenth crack mechanism comprises the cylinder seat of honour, cylinder body, fixed head, middle base, piston rod, upper piston, lower piston, air cylinder base and hold-down support; Described middle base is divided into upper and lower two working chambers with cylinder body, is respectively equipped with the last accent one of working chamber, following accent one on the cylinder seat of honour and the middle base, is respectively equipped with down the last accent two of working chamber, following accent two on middle base and the air cylinder base; Hold-down support is fixedly connected on cylinder body on the fuselage; Piston rod is fixedlyed connected with lower piston with the upper piston in the upper and lower working chamber, and piston-rod lower end stretches out air cylinder base and hold-down support, and correspondence is arranged on the end face of piston upper end in the described detent mechanism.
Link to each other by press rods between the end face of piston upper end in the piston-rod lower end of described one-tenth crack mechanism and the described detent mechanism.
The present invention is on the basis of existing make-up machine, increased few filling device, as Fig. 3-5, after mould arrived the amount of specified position in powder packed during it can make, a up again segment distance h produces a space 36, thereby makes the powder upper edge be lower than the mouth of middle mould along (this position is 0 of few filling device among the present invention, be H+h among Fig. 5, volume is orientated H among Fig. 4 as).Like this, before the descending compacting powder of patrix, have one section to be to move in the enclosed cavity of die cavity, owing to contact powder in die cavity, therefrom the upper edge of mould is excessive so thoroughly avoided powder.Needing certain active force between 0 and specified comes the balance resilient supporting unit to act on the power of traveller, middle mould down, this power is formed by the cylinder in few filling device, for reducing the power consumption of this power, on the lever of make-up machine, be provided with extension, prolonged the arm of force; Simultaneously, after specified position filler was finished, the speed of cylinder reverse operation was fast, and it is rapid to make into the crack; At last, cylinder is because no hydraulic fluid leak infiltrates the quality that powder influences product thereby can not produce fluid to powder compacting processing.The present invention is directed to different goods and realized accurate control powder charging quantity, overcome conventional filling powder and splashed and cause product weight, density not to reach the difficult problem of high-accuracy requirement.
Description of drawings
Fig. 1 is a structural representation of the present invention
1 is drive gear mechanism among the figure, the 2nd, and pressure block, the 3rd, main motor, the 4th, power transmission shaft, the 5th, screw rod, the 6th, feather key, the 7th, gear wheel gland, the 8th, transition gear gland, the 9th, transition gear, the 10th, transition gear case, the 11st, gear wheel, the 12nd, canine tooth roller box, the 13rd, filling cylinder gland, the 14th, filling cylinder, the 15th, piston, the 16th, filling cylinder bearing, the 17th, the cylinder seat of honour, the 18th, cylinder body, the 19th, fixed head, the 20th, middle base, the 21st, piston rod, the 22nd, lower piston, the 23rd, air cylinder base, the 24th, hold-down support, the 25th, press rods, the 26th, knockout pin, the 27th, lever, the 28th, work fulcrum, the 29th, extension, the 30th, following traveller;
Fig. 2 is the structural representation of lever among the present invention
Fig. 3 is the operation principle schematic diagram one that the present invention realizes
31 is counterdies among the figure, the 32nd, and plug, the 33rd, middle mould;
Fig. 4 is the operation principle schematic diagram two that the present invention realizes
34 is patrixes among the figure, the 35th, and filling chamber;
Fig. 5 is the operation principle schematic diagram three that the present invention realizes
36 is spaces among the figure.
The specific embodiment
The present invention comprises power source, main shaft, is located at the eccentric wheel, upper mould device, middle die device of main shaft one end, die device, plug, the following traveller 30 that links to each other with middle die device, resilient supporting unit, stripper apparatus 26 and lever 27 down as shown in Figure 1, 2; Described resilient supporting unit links to each other with following traveller 30, makes that traveller 30 has mould operation in the driving down, down, form filling chamber between the middle mould; Described lever 27 is located on the fuselage by jointed shaft is flat, and lever 27 is provided with four forks; Lever 27 middle parts two forks are movably connected with following traveller 30, move up and down in order to drive down traveller 30; Described lever 27 links to each other with eccentric wheel by pressure rod towards the fork of spindle eccentric wheel one side, in order to accept the power that effective travel is transmitted on the eccentric wheel; The opposite side fork of described lever 27 connects stripper apparatus 26 by roller 1; It also comprises few filling device; The opposite side fork that described lever 27 connects stripper apparatus 26 prolongs, in order to corresponding with described few filling device; Described few filling device comprises the pressure block 2 and the pressure block drive unit that can move up and down, described pressure block 2 is arranged on the top of described opposite side fork extension 29, described pressure block driving mechanism can order about pressure block 2 produce on the lever extension 29 keep down, filling chamber between the middle mould filling powder during the active force of constancy of volume, after filling powder, driving pressure piece 2 motions again of described pressure block driving mechanism, traveller 30, the motion of middle die device made filling chamber volume increase 3-100% under pressure block 2 and then driving fork extension 29, drive lever 27 rotated, drive.
Described few filling device comprise make the filling chamber volume charging quantity governor motion consistent with designing requirement with make the increase of filling chamber volume become crack mechanism; Described charging quantity governor motion comprises main motor 3, drive gear mechanism 1, power transmission shaft 4, screw rod 5, feather key 6, gear wheel gland 7, transition gear gland 8, transition gear 9, transition gear case 10, gear wheel 11, canine tooth roller box 12, filling cylinder gland 13, filling cylinder 14, piston 15 and filling cylinder bearing 16; Main motor 3 is fixed on the fuselage, and power transmission shaft 4 is movably connected on the fuselage perpendicular to horizontal plane, and main motor 3 links to each other by drive gear mechanism 1 with power transmission shaft 4; Power transmission shaft 4 tops are fixedly connected with transition gear 9, and the transition gear case 10 that transition gear gland 8, a side are provided with opening is located at outside the transition gear 9, and is fixedly connected on the fuselage; Gear wheel 11 is by being threaded in screw rod 5 middle parts, and by the opening and transition gear 9 engagements of transition gear case 10, when gear wheel 11 rotated, screw rod 5 moved up and down; Gear wheel gland 7, canine tooth roller box 12 are located at outside the gear wheel 11; Filling cylinder 14 is located at canine tooth roller box 12 tops, is provided with piston 15 in the filling cylinder 14, and the upper and lower end of piston 15 stretches out filling cylinder gland 13 respectively, fixedlys connected with screw rod 5 in piston 15 lower ends; Filling cylinder 14 is fixedlyed connected with fuselage by filling cylinder bearing 16; Described canine tooth roller box 12 is fixedlyed connected with piston 15 lower ends; Described one-tenth crack mechanism comprises the cylinder seat of honour 17, cylinder body 18, fixed head 19, middle base 20, piston rod 21, upper piston, lower piston 22, air cylinder base 23 and hold-down support 24; Described middle base 20 is divided into upper and lower two working chambers with cylinder body 18, be respectively equipped with the last accent one of working chamber, following accent one on the cylinder seat of honour 17 and the middle base 20, be respectively equipped with down the last accent two of working chamber, following accent two on middle base 20 and the air cylinder base 23; Hold-down support 24 is fixedly connected on cylinder body 18 on the fuselage; Piston rod 21 is fixedlyed connected with lower piston 22 with the upper piston in the upper and lower working chamber, and air cylinder base 23 and hold-down support 24 are stretched out in piston rod 21 lower ends, and correspondence is arranged on the end face of piston 15 upper ends in the described detent mechanism.Link to each other by press rods 25 between the end face of piston upper end in described piston-rod lower end and the described detent mechanism.
Operation principle of the present invention is shown in Fig. 3-5:
Fig. 3 is the schematic diagram of original state die region.
During work, 0 (specified position+space) at first is set, processing request to adapt to.Few filling device is adjusted, and promptly the downward full stroke of cylinder again by main motor 3 drive screws 5, pressure block 2, stops on certain angle corresponding with " specified position H " lever 27.As shown in Figure 4, distance is H between 33 mouthfuls of edges of middle mould and counterdie 31 upper surfaces; At this moment, the resilient supporting unit of make-up machine has opposition by middle mould, following traveller to lever 27.
After rated capacity (H) capacity adds powder, cylinder counter motion (or off-load), under the effect of resilient supporting unit or cylinder reverse drive, the up h of middle mould forms space 36.
Claims (3)
1. powder former comprises power source, main shaft, is located at the eccentric wheel, upper mould device, middle die device of main shaft one end, die device, plug, the following traveller, resilient supporting unit, stripper apparatus and the lever that link to each other with middle die device down;
Described resilient supporting unit links to each other with following traveller, makes that traveller has mould operation in the driving down, down, form filling chamber between the middle mould;
Described lever is located on the fuselage by jointed shaft is flat, and lever is provided with four forks; Lever middle part two forks are movably connected with following traveller, move up and down in order to drive down traveller; Described lever links to each other with eccentric wheel by pressure rod towards the fork of spindle eccentric wheel one side, in order to accept the power that effective travel is transmitted on the eccentric wheel; The opposite side fork of described lever connects stripper apparatus;
It is characterized in that: it also comprises few filling device; The opposite side fork that described lever connects stripper apparatus prolongs, in order to corresponding with described few filling device;
Described few filling device comprises the pressure block and the pressure block drive unit that can move up and down, described pressure block is arranged on the top of described opposite side fork extension, described pressure block driving mechanism can order about pressure block produce on the lever extension keep down, filling chamber between the middle mould filling powder during the active force of constancy of volume, after filling powder, the driving pressure piece motion again of described pressure block driving mechanism, traveller, the motion of middle die device made filling chamber volume increase 3-100% under pressure block and then driving fork extension, drive lever rotated, drive.
2. a kind of powder former according to claim 1 is characterized in that, described few filling device comprise make the filling chamber volume charging quantity governor motion consistent with designing requirement with make the increase of filling chamber volume become crack mechanism;
Described charging quantity governor motion comprises main motor, drive gear mechanism, power transmission shaft, screw rod, feather key, gear wheel gland, transition gear gland, transition gear, transition gear case, gear wheel, canine tooth roller box, filling cylinder gland, filling cylinder, piston and filling cylinder bearing; Main motor is fixed on the fuselage, and power transmission shaft is movably connected on the fuselage perpendicular to horizontal plane, and main motor links to each other by drive gear mechanism with power transmission shaft; Power transmission shaft top is fixedly connected with transition gear, and the transition gear case that transition gear gland, a side are provided with opening is located at outside the transition gear, and is fixedly connected on the fuselage; Gear wheel is by being threaded in the screw rod middle part, and by the opening and the transition gear engagement of transition gear case, when gear wheel rotated, screw rod moved up and down; Gear wheel gland, canine tooth roller box are located at outside the gear wheel; The filling cylinder is located at the gear wheel upper box part, is provided with piston in the filling cylinder, and the piston upper and lower end stretches out filling cylinder gland respectively, fixedlys connected with screw rod in the piston lower end; The filling cylinder is fixedlyed connected with fuselage by filling cylinder bearing; Described canine tooth roller box is fixedlyed connected with the piston lower end;
Described one-tenth crack mechanism comprises the cylinder seat of honour, cylinder body, fixed head, middle base, piston rod, upper piston, lower piston, air cylinder base and hold-down support; Described middle base is divided into upper and lower two working chambers with cylinder body, is respectively equipped with the last accent one of working chamber, following accent one on the cylinder seat of honour and the middle base, is respectively equipped with down the last accent two of working chamber, following accent two on middle base and the air cylinder base; Hold-down support is fixedly connected on cylinder body on the fuselage; Piston rod is fixedlyed connected with lower piston with the upper piston in the upper and lower working chamber, and piston-rod lower end stretches out air cylinder base and hold-down support, and correspondence is arranged on the end face of piston upper end in the described detent mechanism.
3. a kind of powder former according to claim 2 is characterized in that, links to each other by press rods between the end face of piston upper end in the piston-rod lower end of described one-tenth crack mechanism and the described detent mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910033340 CN101927580B (en) | 2009-06-19 | 2009-06-19 | Powder forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910033340 CN101927580B (en) | 2009-06-19 | 2009-06-19 | Powder forming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101927580A true CN101927580A (en) | 2010-12-29 |
| CN101927580B CN101927580B (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910033340 Expired - Fee Related CN101927580B (en) | 2009-06-19 | 2009-06-19 | Powder forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101927580B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267246A (en) * | 2011-07-11 | 2011-12-07 | 宁波市北仑新港冶金机械有限公司 | Total filling, over filling and under filling adjusting mechanism of powder forming machine |
| CN102672005A (en) * | 2012-06-07 | 2012-09-19 | 常州市中安机械制造有限公司 | Hydraulic precision leveling machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0316475A1 (en) * | 1987-11-19 | 1989-05-24 | Gräbener Pressensysteme GmbH & Co. KG | Press, in particular for making dimensionally stable pressed articles from powdery materials |
| DE4122772A1 (en) * | 1991-07-10 | 1993-01-21 | Graebener Theodor Pressensyst | Mechanical press for producing blanks - comprises speed controllable electric motor and has clutch-brake combination, planetary gears and flywheel |
| JP2000225494A (en) * | 1999-02-02 | 2000-08-15 | Kikusui Seisakusho Ltd | Rotary powder compression molding machine |
| CN200939703Y (en) * | 2006-06-16 | 2007-08-29 | 吴锦棠 | Mechanical full automatic dry powder press |
| CN200970898Y (en) * | 2006-10-25 | 2007-11-07 | 南京东部精密机械有限公司 | Middle-small size crank slider type automatic dry powder press |
| CN201423767Y (en) * | 2009-06-19 | 2010-03-17 | 扬州锻压机床集团有限公司 | powder forming machine |
-
2009
- 2009-06-19 CN CN 200910033340 patent/CN101927580B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0316475A1 (en) * | 1987-11-19 | 1989-05-24 | Gräbener Pressensysteme GmbH & Co. KG | Press, in particular for making dimensionally stable pressed articles from powdery materials |
| DE4122772A1 (en) * | 1991-07-10 | 1993-01-21 | Graebener Theodor Pressensyst | Mechanical press for producing blanks - comprises speed controllable electric motor and has clutch-brake combination, planetary gears and flywheel |
| JP2000225494A (en) * | 1999-02-02 | 2000-08-15 | Kikusui Seisakusho Ltd | Rotary powder compression molding machine |
| CN200939703Y (en) * | 2006-06-16 | 2007-08-29 | 吴锦棠 | Mechanical full automatic dry powder press |
| CN200970898Y (en) * | 2006-10-25 | 2007-11-07 | 南京东部精密机械有限公司 | Middle-small size crank slider type automatic dry powder press |
| CN201423767Y (en) * | 2009-06-19 | 2010-03-17 | 扬州锻压机床集团有限公司 | powder forming machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267246A (en) * | 2011-07-11 | 2011-12-07 | 宁波市北仑新港冶金机械有限公司 | Total filling, over filling and under filling adjusting mechanism of powder forming machine |
| CN102267246B (en) * | 2011-07-11 | 2014-01-15 | 宁波市北仑新港冶金机械有限公司 | Total filling, over filling and under filling adjusting mechanism of powder forming machine |
| CN102672005A (en) * | 2012-06-07 | 2012-09-19 | 常州市中安机械制造有限公司 | Hydraulic precision leveling machine |
| CN102672005B (en) * | 2012-06-07 | 2014-07-30 | 常州市中安机械制造有限公司 | Hydraulic precision leveling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101927580B (en) | 2013-03-27 |
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Address after: 225008 Jiangsu Province, Yangzhou City Hanjiang Economic Development Zone, China Ganglu No. 2 Applicant after: YANGZHOU FORGING MACHINE TOOL Co.,Ltd. Address before: Hedong Guazhou town Hanjiang District Jiangsu city Yangzhou province 225129 Street No. 1 Applicant before: Yangzhou Metalforming Machine Group Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: YANGZHOU FORGING MACHINE GROUP CO., LTD. TO: YANGZHOU FORGING MACHINE CO., LTD. |
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Granted publication date: 20130327 |
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